Question

0.4*(4x-0.2)=-4.5-(1.6-2.5) решите уравнение

Answer 1

1.6х-0.08=-4.5-1.6+2.5
1.6х-0.08=-3.6
1.6х=-3.6+0.08
1.6х=-3.52
х=-3.52:1.6
х=-2.2